#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Date    : 2020-08-29 15:08:15
# @Author  : Zuo Zhongfei (zuozhongfei@126.com)
# @Link    :
# @Version : $Id$

import os


class Settings():
    """存储外星人入侵游戏的所有设置信息的类"""

    def __init__(self):
        """初始化游戏的设置"""
        # 屏幕设置
        self.screen_width = 1200
        self.screen_height = 800
        self.bg_color = (230, 230, 230)

        # 飞船的设置
        self.ship_limit = 3

        # 子弹设置
        self.bullet_width = 15
        self.bullet_height = 50
        self.bullet_color = (255, 60, 60)
        self.bullet_allowed = 30

        # 外星人设置
        self.fleet_drop_speed = 10

        # 游戏节奏加快系数
        self.speedup_scale = 1.1

        # 外星人点数提高速度
        self.score_scale = 1.5

        self.initialize_dynamic_settings()

    def initialize_dynamic_settings(self):
        # 初始化随着游戏进行而变化的设置
        self.ship_speed_factor = 10
        self.bullet_speed_factor = 10
        self.alien_speed_factor = 1
        # fleet_direction为1表示右移，为-1表示左移
        self.fleet_direction = 1

        # 每个外星人的分数
        self.alien_points = 1

    def increase_speed(self):
        """提高速度设置"""
        self.ship_speed_factor *= self.speedup_scale
        self.bullet_speed_factor *= self.speedup_scale
        self.alien_speed_factor *= self.speedup_scale
        self.alien_points = int(self.alien_points * self.score_scale)

        print(self.alien_points)